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Numerical optimization of violin bows with varying densities of the wood material
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.
Responsible organisation
2003 (English)In: Proceedings of the Stockholm Music Acoustics Conference, August 6-9, 2003 (SMAC 03), Stockholm, Sweden, Stockholm: KTH , 2003, 423- p.Conference paper, (Refereed)
Abstract [en]

The wood material for violin bows from the pernambuco tree (Caesalpina echinata) has large individual variations in the density. For high quality bows, the higher densities are preferred, but since pernambuco is rather rare and expensive, it is of interest to investigate if it is possible to compensate for density variations in the wood material, at the same time as important qualities of the bow are unchanged. In this study, numerical optimization is used to recover the static and dynamic properties of a reference bow, on a bow with 10% lower density. The structural calculations of the bows are made with a umerical model in the finite element program ANSYS, which in its is coupled to an external, gradient based optimiztion routine. The automatic optimization process is performed with a routine called the Method of Moving Asymptotes (MMA).

Place, publisher, year, edition, pages
Stockholm: KTH , 2003. 423- p.
Series
TRITA-TMH, ISSN 1104-5787 ; 2003:8
Keyword [en]
Numerical Optimization, Violin bow
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-5587Local ID: 1120ISBN: 91-7283-558-3 (print)OAI: oai:DiVA.org:miun-5587DiVA: diva2:30620
Available from: 2008-09-30 Created: 2009-11-17Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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More styles
Language
  • de-DE
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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